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A3 Paper Size — Dimensions in mm, cm & Inches
297 × 420 mm (11.69 × 16.54 in)
A3 Paper dimensions
| Unit | Size (W × H) |
| Millimeters | 297 × 420 mm |
| Centimeters | 29.7 × 42 cm |
| Inches | 11.69 × 16.54 in |
| Format | A3 Paper |
| Series / standard | ISO 216 A-series |
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FAQ
What size is A3 Paper?
A3 Paper measures 297 × 420 mm (11.69 × 16.54 in).
A3 Paper in pixels?
At 300 DPI, A3 Paper is about 3508 × 4961 px; at 72 DPI it is roughly 842 × 1191 px.
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Official/regulation references for guidance. Confirm exact requirements with the issuing authority or governing body.